Spark (software)

For the mobile email application, see Spark (application). For the data processing framework, see Apache Spark.
Spark
Original author(s) Per Wendel
Stable release
2.5 / 3 May 2016 (2016-05-03)
Written in Java
Operating system Cross-platform (Java Virtual Machine)
Type Web application framework
License Apache License 2.0
Website sparkjava.com

Spark is a free and open-source software web application framework and domain-specific language written in Java. It is an alternative to other Java web application frameworks such as JAX-RS, Play framework and Spring MVC. It runs on an embedded Jetty web server by default, but can be configured to run on other webservers.

Inspired by Sinatra, it does not follow the model–view–controller pattern used in other frameworks, such as Spring MVC. Instead, Spark is intended for "quickly creating web-applications in Java with minimal effort."[1]

Spark was created and open-sourced in 2011 by Per Wendel, and was completely rewritten for version 2 in 2014. The rewrite was hugely centered on the Java 8 lambda philosophy, so Java 7 is officially not supported in version 2 and above.

Example (Hello World)

import static spark.Spark.*;

public class HelloWorld {
   public static void main(String[] args) {
   
      get("/hello", (request, response) -> "Hello World!");
   
   }
}

Supported template engines

Spark supports these template engines:[2]

References

  1. ↑ Spark
  2. ↑ Views and Templates
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